The murder-suicide plot sent shockwaves across Connecticut, which is still recovering from the tragedy at Sandy Hook, where 20-year-old Adam Lanza fatally shot 20 elementary students and six adult staff members in December 2012.

An arrest warrant, which was unsealed after several weeks of delays by the court Tuesday, revealed Carpenter was obsessed with the 1999 Columbine School shooting, when Eric Harris and Dylan Klebold, armed with guns and bombs, stormed into the school and killed 12 students and a teacher before turning the gun on themselves in the high school library. Witness accounts in the warrant also reference plans to shoot up Stratford High School.

Carpenter, a former student of Stratford High School and Frank Scott Bunnell High School in Stratford, also alluded to past instances of bullying and inquired about purchasing a 12-gauge shotgun at a gun store in Torrington.

Her journal, which was seized along with a book, Ceremonial Violence: A Psychological Explanation of School Shootings, contained a list of weapons she needed to carry out her plan.

“I can’t even stop thinking about Columbine and Eric and Dylan,” Carpenter allegedly wrote in a spiral notebook police seized. “I don’t know how but I miss Eric and Dylan. I never knew them but I miss them. I went though everything they went through and I wanna follow in their footsteps.”

“If they were still alive today and didn’t kill themselves, I would go find them and hug them and tell them how much I love them. That’s what nobody did and that’s how they ended up this way and why they shoot up their school and yet people are still so rude and nasty and there’s still bullying going on and it’s getting worse. I mean HELLO PEOPLE OPEN YOUR (expletive) EYES.”

Police foiled the duo’s plot after two patients of Hope House in Torrington reported Carpenter and Thulin to staff members at the psychiatric facility, court records show.

Thulin, who is still being treated at a psychiatric facility and will be turned over to authorities once he’s released, told police the plot was a “big joke” and he and Carpenter weren’t capable of committing acts of violence, according to the warrant.

She said her daughter wouldn’t “hurt a fly” and was acting out while trying to cope with the loss of two close friends, one who died in a car accident; the other who committed suicide.

Carpenter hadn’t been taking her medications and Hope House staff allowed her to “come and go as she pleases,” her mother said.

A 24-year-old female patient, a friend of Thulin’s, said she was with Carpenter and Thulin in his apartment on Feb. 27, when Carpenter searched for Columbine School shooting videos on YouTube. Carpenter made several comments about wanting to “shoot up a school” because it would make her famous.

Thulin and Carpenter mimicked holding firearms and shooting victims while re-enacting several scenarios.

Carpenter offered the woman $350 to take a pistol permit class so she could purchase a gun.

Carpenter and Thulin planned to get another man to drive them to Danbury High School, where Carpenter said would shoot anyone who interfered, including police, before committing suicide in the school cafeteria because she wanted to “show people who bullied her what happens,” her mother said.

Carpenter and Thulin threatened the woman not to inform Hope House staff or “something would be done.”

The Register Citizen previously reported Carpenter and Thulin went to Tactical Arms, a city gun store on Migeon Avenue, and attempted to purchase a 12-gauge shotgun.

When that didn’t work, Carpenter went to Walmart and filled out paperwork to purchase a shotgun or rifle and was told she had to wait two weeks while paperwork was processed to confirm she was a U.S. citizen since she was adopted from Lithuania.

Court documents also show Carpenter had purchased a “Rambo” style knife, with a 6-1/2-inch blade, from Wasteland, on Water Street.

Police found the knife stored in a green box with a “Survivor” label.

Carpenter told police she found the Columbine videos interesting, but said she and Thulin were drunk when they contemplated the shooting.

She told police she was bullied when she attended Stratford High School but her tormenters had already graduated.

Another patient at Hope House told police Carpenter was “obsessed” with guns.

Parallels have been drawn to the tragedy in Newtown, but Carpenter called the shooting “uncalled for” and condemned Lanza for killing innocent children “who did nothing wrong.”

“Why the [expletive] would you go kill little innocent first graders who did nothing wrong yet?” Carpenter allegedly wrote. “No just no. High schoolers are the ones who deserve to get. They’re [expletive] heartless, trust me I know. They are the reason why I started cutting myself and they are the reason I am going to end up shooting a school, too.”

Those who knew or were familiar with Carpenter said the woman was bullied and isolated from peers. One neighbor said her son avoided Carpenter “like the plague” because of perceived erratic behavior.

Police in Stratford said they were aware of Carpenter, a former student of Stratford Public Schools, and a law enforcement official, who spoke only on condition of anonymity, said Carpenter’s threats sounded like cries for help.

Stratford residents living in Carpenter’s middle-class neighborhood in the northern part of town recalled several brushes with the 18-year-old.

Twenty-two-year-old Nick Forrest said his family considered installing surveillance at their home after Carpenter crashed her mother’s vehicle into the family’s garage door when she was a minor, in one of at least a half-dozen run-ins with the woman.

Another neighbor said Carpenter crashed her mother’s vehicle into their nephew’s Ford Mustang last spring. Police told the couple Carpenter suffered from a sleep disorder that caused her to sleep walk and that she didn’t recall the accident or fleeing on foot.

The city of Torrington is required to pay for Carpenter’s education after she enrolled in the Torrington school district when she was placed here by the state.

Carpenter is being held at Niantic Corrections Institute on $300,000 for charges of attempt to commit first-degree assault and conspiracy to commit assault, both felonies.